Mercedes-Benz C-class AMG W204/S204/С204 (2007-2011) computer data lines system Wiring diagrams

ABS IND. BLK WIRE BLK/RED WIRE BLS_H BLS_L BLS_M BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BRAKE FLUID, PARKING BRAKE WARNING IND BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/VIO WIRE CAN E H CAN E H CAN E L CAN E L CAN H H CAN H L COMPUTER DATA LINES SYSTEM DF HR M DF HR S DF VL S DF VL M 31 ECO 31 ELECTRONIC STABILITY PROGRAM CONTROL UNIT (LEFT FRONT OF ENGINE COMPT) ESP WARNING LAMP IND FRONT AXLE BRAKE PRESSURE SENSOR FRONT AXLE SWITCH OVER VALVE FRONT PRESSURE SENSOR FRONT SAM CONTROL MODULE W/ FUSE/ RELAY MODULE FUSE 20 FUSE 1 FUSE 14 FUSE 21 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE HIGH PRESSURE, RETURN PUMP MOTOR HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT CLUSTER LEFT FRONT AXLE RPM SENSOR (ON LEFT FRONT STEERING KNUCKLE ASSEMBLY) LEFT FRONT PRESSURE REGULATOR VALVE (HOLD) LEFT FRONT PRESSURE REGULATOR VALVE (RELEASE) LEFT REAR AXLE RPM SENSOR (ON LEFT REAR WHEEL HUB ASSEMBLY) LEFT REAR PRESSURE REGULATOR VALVE (HOLD) LEFT REAR PRESSURE REGULATOR VALVE (RELEASE) NCA WIRE PML 30 DF VR M DF VR S BLA DF HL S DF HL M PNK/BLU WIRE PNK/GRN WIRE PNK/WHT WIRE REAR PRESSURE SENSOR REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT AXLE RPM SENSOR (ON RIGHT FRONT STEERING KNUCKLE ASSEMBLY) RIGHT FRONT PRESSURE REGULATOR VALVE (HOLD) RIGHT FRONT PRESSURE REGULATOR VALVE (RELEASE) RIGHT REAR AXLE RPM SENSOR (ON RIGHT REAR WHEEL HUB ASSEMBLY) RIGHT REAR PRESSURE REGULATOR VALVE (HOLD) RIGHT REAR PRESSURE REGULATOR VALVE (RELEASE) TAXIMETER ELECTRICAL CONNECTOR TRACTION SYSTEM HYDRAULIC UNIT VIO WIRE VIO/WHT WIRE WHT GRN/ WIRE WHT WIRE YAW RATE, LATERAL, LONGITUDINAL ACCELERATION SENSOR (UNDER DRIVER'S SEAT)

12 13 17 18 CAN E L CAN E H CAN B L CAN B H 2 3 1 31 LIN 1 30 30 31 5 19 CAN-B H CAN-B L EWD 4 3 2 1 S_GB 30 6 5 4 3 2 1 ASS OFF ASS LED 31 6 5 4 3 2 1 OFF INTERIOR PROTECTION SWITCH ALARM SIREN (W/ ANTI-THEFT ALARM SYSTEM) (REAR OF RIGHT FRONT WHEELWELL) ANTI-THEFT ALARM SYSTEM INDICATOR LAMP INSTRUMENT PANEL SWITCH GROUP BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE CAN B L CAN B H CAN-B H CAN-B L COMPUTER DATA LINES SYSTEM DISPLAY EMERGENCY CALL SYSTEM CONTROL UNIT (CENTER FRONT OF TRUNK) ENGINE HOOD ANTI-THEFT ALARM SYSTEM SWITCH (W/ ANTI-THEFT ALARM SYSTEM) FAN RELAY MODULE FRONT ELECTRICAL PREFUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FUSE 105 FUSE 17 FUSE 18 FUSE 46 FUSE 89 FUSE 90 GRN WIRE GRN/WHT WIRE GRY/YEL WIRE HORNS SYSTEM HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INFO INFO LED INSTRUMENT CLUSTER INTERIOR PROTECTION RECEIVER INTERIOR PROTECTION, TOW-AWAY PROTECTION CONTROL UNIT (IF EQUIPPED) IRS LED IRS-OFF LEFT INTERIOR PROTECTION TRANSMITTER LEFT REAR WINDOW GLASS BREAKAGE SENSOR NCA WIRE OF TRUNK) OFF TOWING SENSOR BUTTON 8 7 6 4 3 2 SOS LED WS LED INFO LED WS INFO SOS REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) REAR WINDOW GLASS BREAKAGE SENSOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RIGHT INTERIOR PROTECTION TRANSMITTER RIGHT REAR WINDOW GLASS BREAKAGE SENSOR SOS SOS LED W/ MODEL CODE 204.2 WHT WIRE WS LED YEL WIRE YEL/RED WIRE YEL/VIO WIRE

1 2 3 4 31 30 GND DATA 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CAN B H CAN B L AIR RECIRCULATION MODE BUTTON AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE COMBUSTION ENGINE, A/C WITH INTEGRATED CONTROL FAN MOTOR COMPUTER DATA LINES SYSTEM ENGINE CONTROLS SYSTEM FUSE 105 FUSE 119 GND (-) 31 GRN/BLU WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INTERIOR FUSE BOX (BEHIND LEFT END OF DASH) LUES PURGE CONTROL VALVE REAR BLOWER MOTOR REAR WINDOW HEATER BUTTON RED WIRE RED/BLK WIRE RED/VIO WIRE REG SIG NTC DATA FOND GND DATA MRM THS TMOT VIO/WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CAN B H CAN B L 30 GND 31 AIR RECIRCULATION MODE BUTTON AUTOMATIC AIR CONDITIONING CONTROL, OPERATING UNIT BLK WIRE BLOWER MOTOR BLOWER REGULATOR A/C HOUSING BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DATA EVAPORATOR TEMPERATURE SENSOR (UNDER RIGHT SIDE OF DASH) FUSE 100 FUSE 105 FUSE 119 HOT AT ALL TIMES HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INTERIOR FUSE BOX (BEHIND LEFT END OF DASH) REAR BLOWER MOTOR REAR WINDOW HEATER BUTTON RED WIRE RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE SIG SIG NTC DATA FOND GND DATA SUN SENSOR (TOP CENTER OF DASH) VIO/WHT WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLU WIRE

45 43 CF 16 66 CM REG LUES BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE CAN-B H CAN-B L COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE SENSOR (LEFT REAR OF ENGINE) ENGINE CONTROLS SYSTEM FRONT ELECTRICAL PREFUSE BOX (AT RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE UNIT W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 91 GRN/BLU WIRE HOT AT ALL TIMES HOT W/ ENGINE CIRCUIT 87 RELAY ENERGIZED FUSE 22 PURGE CONTROL VALVE RED WIRE RED/BLK WIRE RED/YEL WIRE REFRIGERANT PRESSURE SENSOR (AT BOTTOM LEFT SIDE OF RADIATOR CONDENSER) SIG SOLID STATE KHD TMOT VIO/WHT WIRE

41 54 10 37 23 50 11 CAN-E H CAN-E L 43 39 64 88 75 74 (+) SV IPM ACCEL SET/ ACCELERATOR PEDAL SENSOR (TOP OF ACCELERATOR BLK/GRN WIRE BLK/PNK WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CAN C H CAN C L CAN E H CAN E H CAN E L CAN E L CAN H H CAN H L SV_HIGH SV_LOW SH_HIGH SH_LOW 31 COMPUTER CAN H H CAN H L 31 DATA LINES 5 6 SYSTEM COMPUTER DATA LINES SYSTEM CRUISE CONTROL LEVER DATA DCM DCP DEC DECEL DISTRONIC CONTROL (IF EQUIPPED) DISTRONIC CONTROL UNIT DISTRONIC ELECTRIC CONTROLLER UNIT DISTRONIC RADAR SENSOR FRONT BUMPER LEFT INNER RADAR SENSOR FRONT BUMPER RIGHT INNER RADAR SENSOR (DISTRONIC PLUS) FRONT BUMPER RIGHT OUTER RADAR SENSOR (DISTRONIC PLUS) FUSE 13 FUSE 79 GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES IND INSTRUMENT PANEL PARKTRONIC WARNING INDICATOR (W/ CITY ASSIST SYSTEM) ME-SFI (ME) CONTROL MODULE (TOP CENTER OF ENGINE) NCA WIRE OFF ORG/ WIRE OUTPUT SHAFT RPM SENSOR FULLY INTEGRATED TRANSMISSION CONTROL UNIT PEDAL ASSEMBLY) PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/GRY WIRE PNK/RED WIRE PNK/VIO WIRE RADAR SENSORS CONTROL UNIT REAR BUMPER FRONT BUMPER RIGHT OUTER LEFT OUTER RADAR SENSOR RADAR SENSOR REAR BUMPER LEFT INNER RADAR SENSOR (BLIND SPOT ASSIST) REAR BUMPER LEFT OUTER RADAR SENSOR (BLIND SPOT ASSIST) REAR BUMPER RIGHT INNER RADAR SENSOR REAR PARKTRONIC WARNING INDICATOR (W/ CITY ASSIST SYSTEM) RED WIRE RED/BLK WIRE RED/BLU WIRE RES+ RESUME SET- STEERING COLUMN MODULE CONTROL UNIT (TOP OF STEERING COLUMN) THROTTLE VALVE ACTUATOR (IN AIR INTAKE MANIFOLD) VIO WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE

1 2 3 4 31 (+) LIN 2 1 2 3 4 5 6 (+) 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 CAN-G H CAN-G L 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 LWR 1 2 3 4 5 6 ANST ANST 15 1 2 3 4 5 LIN 1 30 SIG 31 EDW 31 KHD 31 NTC LIN 2 GND 31 SIG AT 31 31 AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM BFS CRASH BLK/GRN WIRE BLK/GRY WIRE BLK/PNK WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/ORG WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN E H CAN E L CAN-G H CAN-G L COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM FRONT FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) GND NTC (+) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM HOT AT ALL TIMES FUSE 89 INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER SYSTEM ENGINE CONTROLS SYSTEM INTERIOR LIGHTS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM LWR LWR SIG NCA WIRE PNK/GRY WIRE PNK/RED WIRE PNK/WHT WIRE PNK/YEL WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RFL (+) SIG SUPPLEMENTAL RESTRAINTS SYSTEM TRANSMISSIONS SYSTEM EXTERIOR LIGHTS SYSTEM TRANSMISSIONS SYSTEM VIO/WHT WIRE WHT/RED WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 CAN E H CAN E H CAN E L CAN E L 15 GND 31 31 EDW CRASH 6 7 8 9 10 SIG ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES SYSTEM COMPUTER DATA LINES SYSTEM BBV HR BBV HL CAN B H CAN B L SIG ZV BLK/BLU WIRE BLK/GRY WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE CAN C H STR EKP CAN C L CAN C L CAN C H EKP CAN D H CAN D L CAN-D H CAN-D L COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM COMPUTER DATA LINES SYSTEM SOUND SYSTEMS SOUND SYSTEMS CRUISE CONTROL SYSTEM DOOR LOCKS SYSTEM ENGINE CONTROLS SYSTEM SOUND SYSTEMS EXTERIOR LIGHTS, ANTI-LOCK BRAKES SYSTEMS FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/PNK WIRE GRY/RED WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HORNS SYSTEM HORNS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM WIPER/WASHER SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS INSTRUMENT CLUSTER SYSTEM PNK/BLK WIRE PNK/BLU WIRE PNK/RED WIRE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SIG SIG SIG SOUND SYSTEMS VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE ZV ZV 31 ZV

2 1 5 4 CAN B H CAN B L 30 31 BLK WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE GRY WIRE HOT AT ALL TIMES LEFT FRONT DOOR CONTROL UNIT LEFT OUTSIDE MIRROR RED WIRE RED/GRY WIRE RED/WHT WIRE RIGHT FRONT DOOR CONTROL UNIT RIGHT OUTSIDE MIRROR WHT WIRE

30 30 (+) 31 WH (DATA) WH (+) WH (-) 58 SL-L SL-R (+) PNK WIRE 7 8 9 10 11 12 13 (+) ANST ANTI-THEFT SYSTEM SOUND SYSTEMS BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/PNK WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE BRN/YEL WIRE BSL-R BSL-L ZV CAN B L CAN B H (+) (+) SIG LIN CAN-B H CAN-B L COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DEFOGGER SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM ENGINE CONTROLS SYSTEM ANTI-THEFT SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM FUSE GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/PNK WIRE GRY/VIO WIRE GRY/YEL WIRE HFE HFE SIG SIG SIG HOT W/ QUIESCENT CURRENT CUTOUT RELAY ENERGIZED INSTRUMENT CLUSTER SYSTEM POWER DISTRIBUTION SYSTEM INSTRUMENT CLUSTER, ANTI-THEFT SYSTEMS INSTRUMENT CLUSTER, ANTI-THEFT SYSTEMS INSTRUMENT CLUSTER, ANTI-THEFT SYSTEMS INSTRUMENT CLUSTER, ENGINE CONTROLS SYSTEMS INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM PNK BSL-L BSL-R SIG WIRE PNK/RED WIRE POWER DISTRIBUTION SYSTEM REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK/CARGO AREA) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RFL-R RFL-L NSL-R NSL-L RSS EIN RSS AUS SEATS SYSTEM SIG SIG EDM SIG TG R TG L BLA GSS HR GSS HL SIG GSS HM SIG SIG SIG SIG SIG SIG SIG SOUND SYSTEMS SEATS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM SYSTEM ANTI-LOCK BRAKES SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM STARTING/CHARGING SYSTEM VIO/BLU WIRE WH (DATA) WH (+) WHT/BLU WIRE WHT/YEL WIRE WIPER/WASHER SYSTEM YEL WIRE ZV ANT